What this book covers

Chapter 1, Exploring the Genesis and Objectives of AUTOSAR, introduces the origins and goals of the AUTOSAR standard. It explains the foundational principles and motivations behind its development, offering a comprehensive understanding of its objectives.

Chapter 2, Introducing the AUTOSAR Software Layers, explores the essential layers of AUTOSAR architecture, including the application layer, RTE, service layer, ECU abstraction layer, and MCAL. It highlights the design and implementation of modular and compatible software components, using a BMS ECU as a case study to illustrate practical applications. This chapter provides foundational knowledge for understanding how these layers interact and support automotive software development.

Chapter 3, AUTOSAR Methodology and Data Exchange Formats, outlines the AUTOSAR development methodology, emphasizing the independence of software component implementation from ECU configuration. It introduces AUTOSAR templates for data exchange and covers system design, modeling, code generation, and configuration. The chapter also explains conformance classes, detailing the essential BSW modules required for compliance.

Chapter 4, Working with Software Components and RTE, explores the structure, functionality, and types of AUTOSAR software components, including application software components and complex device drivers. It explains software component communication via ports, the role of runnable entities, and triggering conditions. The chapter also highlights the importance of the runtime environment and its connection with the virtual function bus (VFB), providing a foundation for developing complex automotive systems.

Chapter 5, Designing and Implementing Events and Interfaces, unravels the complexities of events and interfaces in the AUTOSAR framework. It emphasizes their role in data transitions, real-time responses, and safety. The chapter covers advanced communication models, including sender-receiver and client-server interfaces, and synchronous versus asynchronous communication, using a car’s temperature monitoring system as an example.

Chapter 6, Getting Started with the AUTOSAR Operating System, examines the AUTOSAR operating system (OS), its architecture, RTOS, and the OSEK standard. It highlights priority-based scheduling, fast interrupt processing, and inter-task communication. The chapter also covers task management, synchronization, and resource allocation, providing essential knowledge for developing efficient and reliable automotive software systems.

Chapter 7, Exploring the Communication Stack, covers the COM module’s role in data exchange, the significance of signals, and the PDUR module’s function in routing and transforming data. Using the CAN stack as an example, it provides insights into the key components and mechanisms of AUTOSAR communication.

Chapter 8, Securing the AUTOSAR System with Crypto and Security Stack, focuses on automotive cybersecurity within the AUTOSAR framework. It highlights the importance of security and potential risks. The chapter explores the AUTOSAR crypto stack, including its core components and their roles in cryptographic operations. It also covers Secure Onboard Communication (SecOC) for ensuring data confidentiality and integrity between ECUs, emphasizing the importance of secure coding practices and regulatory compliance.

Chapter 9, Dealing with Memory and Mode Management, covers the architecture and functionalities of the NVM stack, focusing on data storage and retrieval through the Non-Volatile Memory Manager (NVMM) module. It provides practical insights into configuring NVM, discussing storage objects, block management, and error handling. Additionally, it discusses Basic Software Mode Management (BSWM), illustrating its role in managing different operating modes within automotive ECUs to ensure seamless operation and reliability.

Chapter 10, Wrapping Up and Extending Knowledge with a Use Case, concludes our exploration of AUTOSAR, emphasizing its importance in automotive software engineering. It recaps key concepts, including AUTOSAR architecture, SWS, TPS, RS, RTE, and BSW specifications, and presents a use case for designing a real-time control system within an automotive ECU. This chapter serves as a foundation, encouraging engineers to continue studying AUTOSAR specifications, gain hands-on experience, and stay updated with industry trends to master this powerful standard.